Union Pacific diesel locomotive number 2830 leads the Western Pacific Railroad Ford train at Oroville, California on June 23, 1974. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Western Pacific Railroad diesel locomotive 3015 on May 29, 1971. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Western Pacific Railroad diesel locomotive 3022 leads train "E-18" with crew Arauza and Hussey in the Feather River Canyon, California on August 19, 1977. Pictured units are WP 3022, WP 3055, and WP 3052. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Western Pacific Railroad diesel locomotive 3022 on May 29, 1971. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Western Pacific Railroad diesel locomotive 3062 leads a freight train at Sacramento, California on August 18, 1977. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Western Pacific Railroad diesel locomotive 3071 and four other units leads train 138 at "Bump Cumpston", California on August 19, 1977. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train

Western Pacific Railroad diesel locomotive 3502 on August 16, 1971. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Western Pacific Railroad diesel locomotive 3504 and four other units leads freight train 137 at Keddie, California, circa 1978. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Western Pacific Railroad (WP) diesel locomotive 3504 leads train 171 with engineer Fisher and conductor Edgar in Feather River Canyon, California on August 19, 1977. Also pictured are Burlington Northern (BN) 6616, WP 3528, Burlington Northern 2526, Burlington Northern 2530 and WP 4531. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Western Pacific Railroad (WP) diesel locomotive 3504 on the left leads train 171 with engineer Fisher and conductor Edgar at a meet with another train in the Feather River Canyon, California on August 19, 1977. Also pictured are Burlington Northern (BN) 6616, WP 3528, Burlington Northern 2526, Burlington Northern 2530 and WP 4531. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive